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Most Recent Articles
Cornered: Online Faceting Designs & Diagrams
Jeff Graham’s Cornered is a checkerboard cut suitable for gem material that’s too dark or large for a standard design.
Top Spots for Gem Hunting in the US
Visit one of the top gem hunting spots in the US. Go alone or with the family. A gemology-themed vacation can be fun, educational, and (maybe) profitable.
Ultraviolet Testing and Gemstone Identification
Ultraviolet testing can be crucial for gemstone identification. Learn the basics of this technique as well as how to make your own UV viewing box.
Augelite Value, Price, and Jewelry Information
Soft and brittle, rare augelites are difficult to cut and unsuitable for wear. Faceted transparent pieces are only found in very complete gem and mineral collections.
Gram Easy Emerald: Online Faceting Designs & Diagrams
Easy to cut, the Gram Easy Emerald by Jeff Graham will maximize gem yield. This design and its cutting sequence will also accommodate stones with arbitrary length to width ratios.
Jadeite Value, Price, and Jewelry Information
One of two distinct minerals commonly known as jade, jadeite is the rarer and harder variety. Rich emerald-green jadeite, known as “imperial jade,” is also the most highly valued. However, durable jadeite can be found in many colors and is well-suited for both intricate carvings and cabochons.
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Sign up for a Pro Membership"Becoming a Pro Member of IGS just made good sense for my business. The gemology resources are fantastic, and my profile lets potential customers know I am serious about colored gemstones. And frankly, if I get any exposure to potential customers it's a no-brainer."Paul Bierker, Paul Michael Designs
Jeweler, IGS Pro Member
